Battery performance

1st try to delete all apps that you don't need it or put it in sleep or deep sleep
2nd stop Sync for account that you don't need
3rd update your phone
4th download this app
https://mega.nz/file/1p9SyZKY#Ss3NjlRIZixB4SDzs0APDOxFaVestFuWUxdHHysj_6c
Then Galaxy App Booster app from this link:
https://mega.nz/file/As9VFTZL#JuPnWfS9GjZg_5wdnXpStTMzmnV6MVQ3Vnf8-lVo-gw

After that you open Samsung Good Guardians then Galaxy App Booster then press Optimize Now
This way you can use it one time every month or after updates

https://twitter.com/xk_sal7/status/1669794064806322201?t=vqn6qvr6cyvZK1OZgz5bCQ&s=19

Finally you can check Internet for other ways